IP Library Granted Patent US 8,361,184
Granted Patent B2
US 8,361,184 · App. 13/450,162 · Granted Jan 29, 2013

Fertilizer suspension and method of preparation

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Quick Facts
Patent No.
US 8,361,184
App. No.
13/450,162
Granted
Jan 29, 2013
Kind
B2
Abstract

A concentrated, homogenous, stable, water-soluble fertilizer suspension comprising: water-soluble mineral nutrients of at least nitrogen, phosphorous, potassium, calcium, and magnesium; and an organic stabilizing additive; and wherein the pourable, aqueous suspension has water-soluble mineral nutrients amounting to at least about 80 percent by weight (wt. %) of the suspension.

Claims (22)

1. A concentrated, homogenous, stable, water-soluble fertilizer suspension in a sealed container comprising:

an amount of water comprising about 6.46 percent by weight (wt. %) of the suspension;

an amount of ammonium nitrate comprising about 5.77 wt. % of the suspension;

an amount of liquid calcium nitrate comprising about 9.61 wt. % of the suspension;

an amount of surfactant comprising about 0.04 wt. % of the suspension;

an amount of magnesium sulfate comprising about 9.23 wt. % of the suspension;

an amount of magnesium nitrate comprising about 7.69 wt. % of the suspension;

an amount of calcium nitrate comprising about 19.99 wt. % of the suspension;

an amount of citric acid comprising about 2.88 wt. % of the suspension;

an amount of potassium citrate comprising about 0.96 wt. % of the suspension;

an amount of monoammonium phosphate comprising about 10.77 wt. % of the suspension;

an amount of potassium nitrate comprising about 26.91 wt. % of the suspension;

an amount of iron DTPA comprising about 1.53 wt. % of the suspension;

an amount of manganese EDTA comprising about 0.40 wt. % of the suspension;

an amount of zinc EDTA comprising about 0.15 wt. % of the suspension;

an amount of potassium borate comprising about 0.09 wt. % of the suspension;

an amount of copper EDTA comprising about 0.11 wt. % of the suspension;

an amount of sodium molybdate comprising about 0.01 wt. % of the suspension;

an amount of cobalt sulfate comprising about 0.01 wt. % of the suspension;

an amount of cane sugar comprising about 2.31 wt. % of the suspension; and

an amount of seaweed comprising about 1.54 wt. % of the suspension;

wherein the concentrated, homogenous, stable, water-soluble fertilizer suspension is a pourable, aqueous suspension.

Assignments (7)
PARTIAL RELEASE OF SECURITY INTEREST IN PATENTS Recorded Apr 8, 2026
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: HGCI LLC
Reel/Frame 075492/0883 →
SECURITY INTEREST Recorded Jul 31, 2023
From: HGCI, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 064433/0451 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 3, 2015
From: GENERAL HYDROPONICS, INC.
To: HAWTHORNE HYDROPONICS LLC
Reel/Frame 036487/0729 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 3, 2015
From: HAWTHORNE HYDROPONICS LLC
To: HGCI, INC.
Reel/Frame 036488/0007 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 2, 2015
From: WELLS, GEOFFREY DYLAN
To: GENERAL HYDROPONICS, INC.
Reel/Frame 034867/0757 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 2, 2015
From: LAWRENCE BROOKE ENGINEERING, LLC
To: GENERAL HYDROPONICS, INC.
Reel/Frame 034867/0871 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 27, 2012
From: WELLS, GEOFFREY DYLAN
To: LAWRENCE BROOKE ENGINEERING, LLC.
Reel/Frame 029535/0124 →